US20030112137A1 - Transmitter of tire condition monitoring apparatus - Google Patents

Transmitter of tire condition monitoring apparatus Download PDF

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Publication number
US20030112137A1
US20030112137A1 US10/154,520 US15452002A US2003112137A1 US 20030112137 A1 US20030112137 A1 US 20030112137A1 US 15452002 A US15452002 A US 15452002A US 2003112137 A1 US2003112137 A1 US 2003112137A1
Authority
US
United States
Prior art keywords
casing
tire
projection
leaf spring
attached
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US10/154,520
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English (en)
Inventor
Setsuhiro Saheki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pacific Industrial Co Ltd
Original Assignee
Pacific Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pacific Industrial Co Ltd filed Critical Pacific Industrial Co Ltd
Assigned to PACIFIC INDUSTRIAL CO., LTD. reassignment PACIFIC INDUSTRIAL CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SAHEKI, SETSUHIRO
Publication of US20030112137A1 publication Critical patent/US20030112137A1/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02—Signalling devices actuated by tyre pressure
    • B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0491—Constructional details of means for attaching the control device
    • B60C23/0494—Valve stem attachments positioned inside the tyre chamber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02—Signalling devices actuated by tyre pressure
    • B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver

Definitions

  • the present invention relates to transmitters of tire condition monitoring apparatuses for wirelessly transmitting data indicating the condition of tires, such as air pressure, to a receiver.
  • a wireless tire condition monitoring apparatus has been proposed to enable a driver in a passenger compartment to monitor the condition of the tires of a vehicle, each one of which is attached to a wheel.
  • the apparatus includes transmitters, each one of which is associated with a different one of the tires and is attached to the wheel of the associated tire.
  • the transmitters wirelessly transmit data indicating the condition of the associated tires, such as air pressure and the temperature of the tire interior, to a receiver installed in a vehicle.
  • a prior art transmitter 101 is attached to a wheel W to which a tire T is attached.
  • the transmitter 101 includes a resin casing 110 , which is located in the tire T, and a metal valve stem 120 .
  • the valve stem 120 is formed integrally with the casing 110 .
  • the valve stem 120 is fitted to a valve attachment hole V, which is formed in the wheel W.
  • the casing 110 accommodates an electronic board on which various electronic units (not shown), such as a pressure sensor, a temperature sensor, a signal processing unit, and a battery, are mounted.
  • the valve stem 120 projects from the casing 110 to the exterior through the wheel W.
  • the valve stem 120 functions as an antenna that transmits data indicating the condition of the tire T.
  • An air inlet 121 is formed in the valve stem 120 .
  • a communication hole 111 which is connected to the air inlet 121 , is formed in the casing 110 .
  • a valve cap 122 is detachably attached to the distal end of the valve stem 120 .
  • a valve core (not shown) is fitted to the air inlet 121 of the valve stem 120 .
  • the air inlet 121 of the valve stem 120 and the communication hole 111 of the casing 110 introduce air to the interior of the tire T.
  • the transmitter 101 When the vehicle moves, the transmitter 101 , which is attached to the wheel W, rotates integrally with the tire T and the wheel W. In this state, centrifugal force acts on the transmitter 101 in accordance with the traveling speed of the vehicle. Thus, the casing 110 of the transmitter 101 is deformed with respect to the axis of the valve attachment hole V of the wheel W to be further spaced from the wheel W. This causes reactive force to act on the electronic board, which is accommodated in the casing 110 . Accordingly, a failure including electric disconnection may occur in the electronic board.
  • a bead portion B of the tire T moves along the casing 110 of the transmitter 101 while contacting the casing 110 , as indicated by the double dotted broken line in FIG. 4.
  • the bead portion B of the tire T urges the casing 110 toward the wheel W.
  • the angle ⁇ 1 which is formed between the line X 1 parallel with the rotational axis of the wheel W and the axis X 2 of the valve attachment hole V, is relatively large, the casing 110 is spaced from a drop center portion D of the wheel W at a relatively large interval.
  • the angle ⁇ 1 is relatively small, the casing 110 is held in contact with the drop center portion D.
  • the force applied to the casing 110 by the bead portion B during attachment or detachment of the tire T with respect to the wheel W becomes relatively small, as compared to the case in which the casing 110 is spaced from the drop center portion D.
  • the casing 110 is constantly pressed against the drop center portion D by the force that acts against elasticity of the casing 110 . That is, the smaller the angle ⁇ 1 becomes, the greater the force that presses the casing 110 against the drop center portion D becomes. It is thus more likely that the pressing force causes an electric failure.
  • the invention provides a transmitter of a tire condition monitoring apparatus for transmitting data indicating the condition of a tire of a vehicle.
  • the transmitter includes a casing and a valve stem.
  • the casing is located in the tire and accommodates an electronic unit for measuring a parameter representing the condition of the tire.
  • the valve stem is formed independently from the casing.
  • the valve stem is attached to a wheel to which the tire is attached.
  • An elastic connecting member connects the casing to the valve stem.
  • FIG. 1 is a view schematically showing a vehicle in which a tire condition monitoring apparatus according to an embodiment of the present invention is installed;
  • FIG. 2 is a view explaining the structure of a transmitter installed in the apparatus of FIG. 1;
  • FIG. 3 is a cross-sectional view showing a tire attached to a wheel to which the transmitter of FIG. 2 is attached;
  • FIG. 4 is a cross-sectional view showing a tire attached to a wheel to which a prior art transmitter is attached.
  • a transmitter 1 of a tire condition monitoring apparatus will now be described with reference to FIGS. 1 to 3 .
  • the tire condition monitoring apparatus has four transmitters 1 and a receiver 2 .
  • Each one of the transmitters 1 is installed in a different one of four tires T of a vehicle C.
  • the receiver 2 is installed in the body frame of the vehicle C.
  • Each transmitter 1 measures a parameter indicating the condition of the associated tire T, such as the air pressure of the tire T and the temperature of the interior of the tire T.
  • the transmitters 1 then wirelessly transmit data indicating the measurement to the receiver 2 .
  • the receiver 2 Based on the data received from the transmitters 1 , the receiver 2 enables an indicator (not illustrated), which is installed in the passenger compartment, to indicate the information regarding the air pressure and the temperature of the tires T.
  • each tire T is attached to a wheel W.
  • Each transmitter 1 includes a casing 10 , a valve stem 20 , and a leaf spring 30 .
  • the casing 10 of each transmitter 1 is located in the associated tire T.
  • the valve stem 20 which is formed independently from the casing 10 , is fitted to a valve attachment hole V of the wheel W.
  • the leaf spring 30 functions as a connecting member that elastically connects the casing 10 to the valve stem 20 .
  • the casing 10 is a molded body of thermoplastic resin. Although not illustrated, the casing 10 accommodates an electronic board on which various electronic units, such as a pressure sensor, a temperature sensor, a signal processing unit, and a battery, are mounted.
  • the valve stem 20 is formed of conductive material, or, preferably, metal material.
  • the value stem 20 projects from the casing 10 to the exterior through the wheel W.
  • the valve stem 20 functions as an antenna that transmits data.
  • the leaf spring 30 is formed of spring steel (SUP), stainless steel (SUS), or the like.
  • the leaf spring 30 is bent in a certain shape, such that the leaf spring 30 tolerates various external forces, such as the centrifugal force caused by movement of the vehicle C, the force applied to the casing 10 during attachment or detachment of the tire T with respect to the wheel W, and the force applied to the casing 10 depending on the installation state of the transmitter 1 .
  • a flange 21 is formed at the proximal end of the valve stem 20 .
  • a rubber grommet 22 is located between the flange 21 and the wheel W such that the grommet 22 is held closely in contact with the flange 21 .
  • a valve nut 23 is removably fitted to an axial intermediate portion of the valve stem 20 .
  • a valve cap 24 which is formed of resin or metal, is removably fitted to the distal end of the valve stem 20 . With the valve cap 24 and the valve nut 23 removed from the valve stem 20 , the valve stem 20 is passed through the valve attachment hole V of the wheel W from an inner side of the wheel W. The valve nut 23 is then fitted to the valve stem 20 from an outer side of the wheel W. This secures the valve stem 20 to the valve attachment hole V of the wheel W.
  • An air inlet 25 axially extends through the valve stem 20 .
  • a valve core is fitted to the air inlet 25 .
  • a hollow bolt 26 with a through hole 26 a is removably fitted to the end of the valve stem 20 that faces the interior of the tire T. The air inlet 25 and the through hole 26 a of the hollow bolt 26 introduce air to the interior of the tire T.
  • the hollow bolt 26 secures the leaf spring 30 to the valve stem 20 .
  • the leaf spring 30 includes a proximal portion 30 a that has a through hole 31 .
  • the hollow bolt 26 is passed through the through hole 31 and then fitted to the valve stem 20 , such that the leaf spring 30 is secured to the valve stem 20 .
  • An intermediate portion 30 b of the leaf spring 30 is bent to form an acute angle with respect to the proximal portion 30 a .
  • a through hole 32 is formed in the substantial middle of the intermediate portion 30 b .
  • the casing 10 includes a projection 11 , which is formed in the substantial middle of the casing 10 .
  • the projection 11 is passed through the through hole 32 , which serves as an engaging hole with which the projection 11 is engages. Then, for example, the projection 11 is thermally deformed to a rivet-like shape. This fixes the casing 10 to the leaf spring 30 .
  • a pair of projections 33 project from the intermediate portion 30 b at positions corresponding to opposite sides of the projection 11 of the casing 10 .
  • the projections 33 project in a direction in which the bead portion B of the tire T moves when the tire T is attached to or detached from the wheel W. With reference to FIG. 3, each of the projections 33 projects with respect to the deformed distal end of the projection 11 of the casing 10 , as preferred in the present invention.
  • a distal portion 30 c of the leaf spring 30 is bent to form an obtuse angle with respect to the intermediate portion 30 b .
  • the leaf spring 30 elastically presses the distal end of the distal portion 30 c against the drop center portion D of the wheel W.
  • the casing 10 is located between the leaf spring 30 and the drop center portion D such that the casing 10 is held in a non-contact state with the drop center portion D.
  • each transmitter 1 the leaf spring 30 elastically connects the casing 10 to the valve stem 20 .
  • the elasticity of the leaf spring 30 absorbs centrifugal force, which acts on the casing 10 in accordance with the traveling speed of the vehicle C. This suppresses the reactive force generated in the electronic board, which is accommodated in the casing 10 . More specifically, the casing 10 is prevented from being damaged by the centrifugal force generated by the movement of the vehicle C. Further, electric disconnection is stopped from occurring in the electronic board, which is accommodated in the casing 10 .
  • the transmitter 1 Since the distal portion 30 c of the leaf spring 30 is pressed against the drop center portion D of the wheel W, the transmitter 1 is located maximally close to the wheel W. This allows the bead portion B of the tire T to smoothly move along the transmitter 1 as contacting the transmitter 1 during attachment or detachment of the tire T with respect to the wheel W. That is, the tire T is smoothly attached to or detached from the wheel W. This also minimizes the pressing force applied to the transmitter 1 by the bead portion B. Accordingly, the casing 10 is prevented from being damaged by the pressing force of the bead portion B. Further, electric disconnection is prevented from occurring in the electronic board, which is accommodated in the casing 10 .
  • the casing 10 is located between the leaf spring 30 and the drop center portion D such that the casing 10 does not contact the drop center portion D. This prevents the casing 10 from being pressed against the wheel W. Accordingly, the casing 10 is prevented from being damaged, and electric disconnection is prevented from occurring in the electronic board, which is accommodated in the casing 10 .
  • the casing 10 is secured to the leaf spring 30 by passing the projection 11 of the casing 10 through the through hole 32 of the leaf spring 30 , followed by deformation of the distal end of the projection 11 to the rivet-like shape.
  • the securing of the casing 10 to the leaf spring 30 is accomplished without using an adhesive agent or a spring. This reduces the weight of the transmitter 1 .
  • external force such as centrifugal force, may act to hamper the adhesion between the casing 10 and the leaf spring 30 . This separates the casing 10 from the leaf spring 30 .
  • the illustrated embodiment reliably prevents the casing 10 from being separated from the leaf spring 30 .
  • the casing 10 remains unaffected. This prevents the casing 10 from being damaged, while stopping electric disconnection from occurring in the electronic board, which is accommodated in the casing 10 .
  • the two projections 33 project from the leaf spring 30 in the moving direction of the bead portion B of the tire T.
  • Each of the projections 33 projects with respect to the distal end of the projection 11 .
  • the projection 11 is projected from the bead portion B of the tire T.
  • the strength of the leaf spring 30 is increased.
  • the bead portion B of the tire T moves along the projections 33 of the leaf spring 30 during attachment or detachment of the tire T with respect to the wheel W. This reduces the contact area of the leaf spring 30 with the bead portion B of the tire T. The tire T is thus smoothly attached to or detached from the wheel W.
  • the distal portion 30 c of the leaf spring 30 protects the casing 10 from the bead portion B of the tire T.
  • the distal portion 30 c of the leaf spring 30 is bent to form an obtuse angle with the intermediate portion 30 b , to which the casing 10 is secured. Accordingly, in the illustrated embodiment, the tire T is smoothly attached to or detached from the wheel W, as compared to, for example, the case in which the distal portion 30 c forms a right or acute angle with the intermediate portion 30 b.
  • Two or more projections 11 may project from the casing 10 .
  • a corresponding number of through holes 32 need be formed in the intermediate portion 30 b of the leaf spring 30 .
  • the casing 10 includes five projections 11 .
  • five through holes 32 need be formed in the intermediate portion 30 b of the leaf spring 30 at positions corresponding to the five projections 11 .
  • the casing 10 is secured to the leaf spring 30 by passing each of the projections 11 through the corresponding one of the through holes 32 , followed by, for example, thermal deformation of the distal end of each projection 11 to a rivet-like shape.
  • the projections 33 project from the leaf spring 30 to protect the projections 11 .
  • the force that acts on the transmitter 1 is transmitted from the leaf spring 30 to the casing 10 by the projections 11 .
  • the greater the number of the projections 11 , or the through holes 32 is, the more dispersed the force transmitted to the transmitter 1 becomes. This decreases the force that acts on each projection 11 , thus improving the anti-force tolerance of the casing 10 .
US10/154,520 2001-12-19 2002-05-23 Transmitter of tire condition monitoring apparatus Abandoned US20030112137A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001386677A JP2003182322A (ja) 2001-12-19 2001-12-19 タイヤ状態監視装置の送信機
JP2001-386677 2001-12-19

Publications (1)

Publication Number Publication Date
US20030112137A1 true US20030112137A1 (en) 2003-06-19

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US10/154,520 Abandoned US20030112137A1 (en) 2001-12-19 2002-05-23 Transmitter of tire condition monitoring apparatus

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US (1) US20030112137A1 (ja)
EP (1) EP1321314A3 (ja)
JP (1) JP2003182322A (ja)
KR (1) KR20030051146A (ja)
TW (1) TW528689B (ja)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030079537A1 (en) * 2001-10-29 2003-05-01 Siemens Vdo Automotive Pressure sensor intended to be mounted in a tire, and support therefor
US20040034454A1 (en) * 2002-08-01 2004-02-19 Yoshitaka Ito Transmitter for tire state monitoring apparatus
CN100437601C (zh) * 2006-07-24 2008-11-26 西安飞机工业（集团）有限责任公司 一种用于自动钻铆托架变形的修补数据处理方法
US20100024539A1 (en) * 2008-08-01 2010-02-04 Lear Corporation Snap-in tire valve
US8151127B2 (en) 2000-07-26 2012-04-03 Bridgestone Americas Tire Operations, Llc System for conserving battery life in a battery operated device
WO2012058770A1 (en) * 2010-11-05 2012-05-10 Steven Slupsky Wireless sensor device
US8266465B2 (en) 2000-07-26 2012-09-11 Bridgestone Americas Tire Operation, LLC System for conserving battery life in a battery operated device
CN103538432A (zh) * 2012-07-17 2014-01-29 联创汽车电子有限公司 轮胎胎压监测传感器
WO2016072831A1 (en) * 2014-11-07 2016-05-12 Salutica Allied Solutions Sdn. Bhd. Wireless tire monitoring device
US20160167463A1 (en) * 2014-12-11 2016-06-16 Continental Automotive France Measurement module and assembly method for such a module on a wheel rim
US10429260B2 (en) 2012-03-07 2019-10-01 Alligator Ventilfabrik Gmbh Tire pressure sensing device and method for the production thereof
US10703146B2 (en) 2017-06-28 2020-07-07 Sram, Llc Pressure measuring device with alignment feature
US10919346B2 (en) 2017-06-28 2021-02-16 Sram, Llc Pressure measuring device for a wheel
SE2030371A1 (sv) * 2020-12-22 2022-06-23 Wahlgren Torbjoern Plugg för fälg
US11745549B2 (en) 2017-08-21 2023-09-05 Sram. Llc Pressure sensing assembly for a bicycle wheel

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JP4255301B2 (ja) * 2003-03-31 2009-04-15 横浜ゴム株式会社 タイヤ用電子部品の取り付け構造
GB2415506A (en) * 2004-06-22 2005-12-28 Transense Technologies Plc SAW based tyre pressure sensor for retro-fitting to inner end of existing inflation valve
IT1394037B1 (it) * 2009-05-08 2012-05-25 Wonder Spa Valvola per il gonfiaggio di pneumatici di autocarri associabile ad un trasduttore per tecnologia tpms
DE102010012013A1 (de) * 2010-03-12 2011-09-15 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Vorrichtung
FR3048156B1 (fr) * 2016-02-23 2019-11-15 Continental Automotive France Boitier de module electronique et unite electronique de mesure de parametres de fonctionnement d'une roue de vehicule
CN109109581B (zh) * 2017-06-23 2021-03-02 橙的电子股份有限公司 胎压侦测装置
US11472240B2 (en) * 2018-01-30 2022-10-18 Android Industries Llc System and method for stemming a wheel

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JP3902812B2 (ja) * 1996-07-01 2007-04-11 倉敷化工株式会社 液体封入式防振装置
DE19626145A1 (de) * 1996-07-01 1998-01-08 Continental Ag Befestigungsvorrichtung für ein Elektronikmodul
DE10019082B4 (de) * 2000-04-11 2006-03-02 Beru Ag Träger für eine Vorrichtung zum Messen des Reifendrucks zur Verwendung in einem auf einer Felge montierten Luftreifen und damit ausgestattetes Rad

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8266465B2 (en) 2000-07-26 2012-09-11 Bridgestone Americas Tire Operation, LLC System for conserving battery life in a battery operated device
US8151127B2 (en) 2000-07-26 2012-04-03 Bridgestone Americas Tire Operations, Llc System for conserving battery life in a battery operated device
US6862929B2 (en) * 2001-10-29 2005-03-08 Siemens Vdo Automotive Pressure sensor intended to be mounted in a tire, and support therefor
US20030079537A1 (en) * 2001-10-29 2003-05-01 Siemens Vdo Automotive Pressure sensor intended to be mounted in a tire, and support therefor
US20040034454A1 (en) * 2002-08-01 2004-02-19 Yoshitaka Ito Transmitter for tire state monitoring apparatus
US6959597B2 (en) * 2002-08-01 2005-11-01 Pacific Industrial Co., Ltd. Transmitter for tire state monitoring apparatus
CN100437601C (zh) * 2006-07-24 2008-11-26 西安飞机工业（集团）有限责任公司 一种用于自动钻铆托架变形的修补数据处理方法
US20100024539A1 (en) * 2008-08-01 2010-02-04 Lear Corporation Snap-in tire valve
US9329579B2 (en) 2010-11-05 2016-05-03 Scanimetrics Inc. Wireless sensor device
WO2012058770A1 (en) * 2010-11-05 2012-05-10 Steven Slupsky Wireless sensor device
US10429260B2 (en) 2012-03-07 2019-10-01 Alligator Ventilfabrik Gmbh Tire pressure sensing device and method for the production thereof
CN103538432A (zh) * 2012-07-17 2014-01-29 联创汽车电子有限公司 轮胎胎压监测传感器
US10105998B2 (en) 2014-11-07 2018-10-23 Salutica Allied Solutions Sdn. Bhd. Wireless tire monitoring device
WO2016072831A1 (en) * 2014-11-07 2016-05-12 Salutica Allied Solutions Sdn. Bhd. Wireless tire monitoring device
TWI610830B (zh) * 2014-11-07 2018-01-11 吉隆科技有限公司 無線輪胎監測裝置
US20160167463A1 (en) * 2014-12-11 2016-06-16 Continental Automotive France Measurement module and assembly method for such a module on a wheel rim
US9895944B2 (en) * 2014-12-11 2018-02-20 Continental Automotive France Measurement module and assembly method for such a module on a wheel rim
US10703146B2 (en) 2017-06-28 2020-07-07 Sram, Llc Pressure measuring device with alignment feature
US10919346B2 (en) 2017-06-28 2021-02-16 Sram, Llc Pressure measuring device for a wheel
US11535069B2 (en) 2017-06-28 2022-12-27 Sram, Llc Pressure measuring device for a bicycle
US11745549B2 (en) 2017-08-21 2023-09-05 Sram. Llc Pressure sensing assembly for a bicycle wheel
SE2030371A1 (sv) * 2020-12-22 2022-06-23 Wahlgren Torbjoern Plugg för fälg

Also Published As

Publication number Publication date
EP1321314A2 (en) 2003-06-25
JP2003182322A (ja) 2003-07-03
KR20030051146A (ko) 2003-06-25
EP1321314A3 (en) 2003-11-19
TW528689B (en) 2003-04-21

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Legal Events

Date Code Title Description
AS Assignment

Owner name: PACIFIC INDUSTRIAL CO., LTD., JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SAHEKI, SETSUHIRO;REEL/FRAME:012944/0339

Effective date: 20020521

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION